Created
September 11, 2017 10:22
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Craft 3 - Events - config/app.php
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<?php | |
// VIEW EVENTS | |
$elements = []; | |
yii\base\Event::on(\craft\elements\db\ElementQuery::class, \craft\elements\db\ElementQuery::EVENT_AFTER_POPULATE_ELEMENT, function ($event) use (&$elements) { | |
// Don't collect MatrixBlock and User elements for now | |
if (in_array(get_class($event->element),['craft\elements\User', 'craft\elements\MatrixBlock'])) { | |
return; | |
} | |
// Collect elements only for frontend GET requests | |
$request = \Craft::$app->getRequest(); | |
if ($request->getIsGet() && !$request->getIsCpRequest()) { | |
$elements[] = $event->row; | |
} | |
}); | |
yii\base\Event::on(\craft\web\View::class, \craft\web\View::EVENT_AFTER_RENDER_PAGE_TEMPLATE, function ($event) use (&$elements) { | |
if (count($elements) === 0) { | |
return; | |
} | |
$cacheKeys = ['id' => [], 'sectionId' => [], 'structureId' => []]; | |
// collect | |
foreach ($elements as $el) { | |
foreach (array_keys($cacheKeys) as $key) { | |
if (isset($el[$key])) { | |
$cacheKeys[$key][] = $el[$key]; | |
} | |
} | |
} | |
foreach ($cacheKeys as $key => $values) { | |
$cacheKeys[$key] = array_unique($values); | |
} | |
// add headers | |
foreach ($cacheKeys as $key => $values) { | |
foreach ($values as $value) { | |
\Craft::$app->getResponse()->getHeaders()->add('X-CACHE-TAG', "$key:$value"); | |
} | |
} | |
}); | |
// UPDATE EVENTS | |
yii\base\Event::on(\craft\services\Elements::class, \craft\services\Elements::EVENT_AFTER_SAVE_ELEMENT, function ($event) { | |
if (!$event->isNew) { | |
error_log("EVENT_AFTER_SAVE_ELEMENT - id: " . $event->element->id . " .. type: " . get_class($event->element)); | |
} | |
}); | |
yii\base\Event::on(\craft\services\Structures::class, \craft\services\Structures::EVENT_AFTER_MOVE_ELEMENT, function ($event) { | |
error_log("EVENT_AFTER_MOVE_ELEMENT - structureId: " . $event->structureId); | |
}); | |
yii\base\Event::on(\craft\services\Sections::class, \craft\services\Sections::EVENT_AFTER_SAVE_SECTION, function ($event) { | |
error_log("EVENT_AFTER_SAVE_SECTION - sectionId: " . $event->section->id); | |
}); | |
yii\base\Event::on(\craft\base\Element::class, \craft\base\Element::EVENT_AFTER_MOVE_IN_STRUCTURE, function ($event) { | |
error_log("EVENT_AFTER_MOVE_IN_STRUCTURE - structureId: " . $event->structureId); | |
}); | |
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